.box {
  width: 750px;
  margin: 10px auto;
  background-color: #409eff;
  color: #fff;
  padding: 20px;
  border-radius: 10px;
  font-size: 14px;
}
.box ul li {
  border-bottom: 1px solid #ffffff;
  display: flex;
  align-items: center;
}
.box ul li:nth-of-type(1) {
  border-top: 1px solid #ffffff;
}
.box ul li > div {
  padding: 10px 0;
  flex: 1;
  border-right: 1px solid #ffffff;
  text-align: center;
}
.box ul li .name {
  border-left: 1px solid #ffffff;
}
.box ul li .btn-box {
  border-left: 1px solid #ffffff;
}
.box ul li .opt {
  display: flex;
  align-items: center;
  justify-content: center;
}
.box ul li .opt > div {
  width: 20px;
  height: 20px;
  background-color: #ddd;
  border: 1px solid #ffffff;
}
.box ul li .opt .sub:hover {
  cursor: pointer;
  background-color: #7c7b7b;
}
.box ul li .opt .num {
  background-color: unset;
  border-left: none;
  border-right: none;
  width: 35px;
}
.box ul li .opt .add:hover {
  cursor: pointer;
  background-color: #7c7b7b;
}
